The home is the most common location for accidents and injuries. Many seniors experience physical deterioration that makes some ordinary activities more hazardous. Many minor hazards can be eliminated or mitigated, and some services exist to help with this process.
AARP suggests some simple things like reducing tripping hazards and adding grab bars. They also offer suggestions for hiring contractors for more extensive remodeling, if necessary. Safety Tips for Caregivers
The University of Southern California Leonard Davis School of Gerontology offers an interactive resource for making a home safer and more supportive for a lifetime. Lifetime Home
Many companies have redesigned products to make them safer or more convenient for seniors. Kitchen tools with larger handles may be easier for those with arthritis, and higher "comfort seating" toilet seats may be easier for seniors.
Disorganization and clutter is a chronic problem for everyone, and many resources and "systems" exist to help us combat it. Sometimes disorganization might become unmanageable and become hoarding. This 2017 article from The New York Times offers a few suggestions for helping a hoarder. This requires creating a NYT login to read. Helping Those Who Hoard
There are also professionals who can assess the individual needs of seniors and also assess the home for necessary or recommended improvements to allow a safer and longer aging in place opportunity.